Grail Watch Reference
A Reference Library for Watches from Grail Watch
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Complications
Date
-Date by Pointer
-Quick Date Correction
-Retrograde Date
Day
-Day by Pointer
-Quick Day Correction
Hacking Seconds
Leap Year
Modular
Month
-Month by Pointer
-Quick Month Correction
Moon Phase
Perpetual Calendar
Repeater
-Minute Repeater
Year
Hands
Moon Phase Wheel at 9:00
Brand
ETA
Parmigiani Fleurier
Soprod
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
Soprod
Production Periods
1990s
2000s
2010s
Frequency
18,000 A/h
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
21
33
Balance Mount
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 12:00
Central Rotor
ETA 2891-9
PF252
Soprod C105
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